You have to have time in rank of 28-36 months before you can sew on senior airman.
The Air Force promotes an Airman First Class (A1C) to Senior Airman upon a commander's recommendation after 36 months time in service and 20 months time in the grade of A1C, or 28 months time in A1C, whichever comes first.
sept 09
The piranha belong to the phylum Chordata, and the class Osteichthyes.
E-1 Airman Basic (AB) E-2 Airman (Amn) E-3 Airman First Class (A1C) E-4 Senior Airman (SrA)
Promotion to Airman First Class (A1C) in the U.S. Air Force typically occurs after six months of service as an Airman Basic, assuming the individual has met all performance and time-in-service requirements. Additionally, Airmen must demonstrate good conduct and meet the necessary training and performance evaluations. Promotions can also depend on the availability of positions and overall force management.
As an Airman first clas you would not make BAH you would probably live in the dorms, and eat at the dining facility. Airman with no dependents dont move out of the dorms till they are Senior airman
Private first class in the Army Guard, and Airman first class in the Air Guard.
E-3 (Airman First Class).
In the US Air Force, "Airman" is a rank (E-2); there are also other ranks with the word "Airman" in them, such as "Airman Basic" (E-1, lower), Airman First Class (E-3, higher) and Senior Airman (E-4, higher still). All four of these ranks are collectively considered the "Airman" ranks. The enlisted ranks above Senior Airman are non-commissioned officer (E-5 and E-6) or senior non-commissioned officer (E-7 through E-9) ranks.
Private, Private First Class, Specialist, Corporal, Sergeant ranks up to and including Sergeant Major of the Army (Army) Private, Private First Class, Lance Corporal, Corporal, all Sergeant ranks up to and including Sergeant Major of the Marine Corps (Marine Corps) Airman Basic, Airman, Airman First Class, Senior Airman, all Sergeant ranks up to and including Chief Master Sergeant of the Air Force (Air Force) Seaman Recruit, Seaman Apprentice, Seaman, all Petty Officer ranks up to and including Master Chief Petty Officer of the Navy (Navy) The Coast Guard using the same rank structure as the Navy.
class is before classes.